. >>> and a closer look at the brain of the late nfl line baker junior seau and the ten-time all pro committed suicide in may. specialists who have studied him closely say that he has evidence of scarring and a condition called chronic traumatic enself lop tea e.ect. we'll have a live report from sanjay gupta. particularly when you're talking young kids and so forth, we've heard about the issue of concussion cans. >> sanjay has done a lot of research, a lot of work on these concussions, these head injuries from football. it's a serious, serious subject. >> that's reason enough to tune in and continue to stay tuned in. >> it was such a tragic loss. i remember the day upon hearing the news of his suicide. really, really sad. >> all right. thank you. >>> we're just about to get a close look at assault weapons. they are likely to become the targets of proposed gun control laws again. but, first, what's wrong with this picture? our strategy session is looking at whether the president needs to recruit more women and minority members for the top jobs in his second term. keep my eye on her..